AFAICR
A xor B = ( A and not B) or ( not A and B)
It is a pain to write, but you can always:
CREATE FUNCTION XOR( boolean, boolean)
RETURNS boolean as '
RETURN ( $1 and not $2) or ( not $1 and $2);
' LANGUAGE 'plpgsql';
Stephan Szabo wrote:
>
> On Fri, 28 Mar 2003, Joshua Moore-Oliva wrote:
>
> > Does postgresql support the xor operator?
>
> You can get bitwise/binary xor (of bitstrings and integers) with the #
> operator AFAICS.
>
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